import java.util.*;

public class T {

    public static void main(String[] args) {
        Map<String,String> map=new TreeMap();
        map.put("biqilian","202306084131");
        map.put("biqilian1","202306084132");
        map.put("biqilian2","202306084133");
        map.put("biqilian3","202306084134");
        map.put("biqilian4","202306084135");
        map.put("biqilian5","202306084136");


        Set<String > set=map.keySet();
        Collection arrayList=map.values();
//        System.out.println(arrayList);
//
//        System.out.println(set);

        Set<Map.Entry<String,String>> set1=map.entrySet();
//        System.out.println(set1);

        for (Map.Entry<String,String> entry: set1){

            System.out.print(entry+" ");

        }

        System.out.println();
        System.out.println(set1);






    }



}
